C# programming

.NET Framework FAQ

Andy McMullan
http://www.andymcm.com/dotnetfaq.htm
C# FAQ for C++ programmers

Andy McMullan
http://www.andymcm.com/csharpfaq.htm

C# Language Specification
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/csspec/html/CSharpSpecStart.asp

http://www.codeplex.com/
CodePlex is Microsoft's open source project hosting web site. Start a new
project, join an existing one, or download software created by the
community.

C# Programmer's Reference
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/csref/html/vcoricprogrammersreference.asp

C# Programming
http://www.hitmill.com/programming/dotNET/csharp.html#microsoft